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Title: Porewater geochemistry data for sediment samples that were included in the global seep survey conducted via Alvin dives from R/V Atlantis cruise AT15-40 in the Guaymas Basin in 2008

Type Dataset Teske, Andreas P., Albert, Daniel B., MacGregor, Barbara J., Martens, Christopher S. (2020-08-21): Porewater geochemistry data for sediment samples that were included in the global seep survey conducted via Alvin dives from R/V Atlantis cruise AT15-40 in the Guaymas Basin in 2008. Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu. Dataset. https://darchive.mblwhoilibrary.org/handle/1912/26097

Authors: Teske, Andreas P. ; Albert, Daniel B. ; MacGregor, Barbara J. ; Martens, Christopher S. ;

Links

Summary

Porewater geochemistry of Guaymas Basin hydrothermal sediments (Southern Spreading segment, 27°00.44N and 111°24.55W, 2000 m water depth) including methane, CO2, and sulfate. During two R/V Atlantis cruises to Guaymas Basin, the association of Beggiatoa mats with hydrothermal seepage and the habitat preferences of various Beggiatoa types were investigated by geochemical and microbiological characterization of sediments underneath Beggiatoa mats in combination with temperature measurements down to 40 cm sediment depth. In particular, temperature profiles and corresponding sulfide, sulfate, dissolved inorganic carbon (DIC), delta 13C-DIC, methane, and delta 13C-methane gradients from mats exhibiting orange-to-white color transitions were examined to elucidate hydrothermal fluid delivery and/or tolerance associated with differently colored Beggiatoa types For a complete list of measurements, refer to the full dataset description in the supplemental file 'Dataset_description.pdf'. The most current version of this dataset is available at: https://www.bco-dmo.org/dataset/3675

More information

  • URI: https://hdl.handle.net/1912/26097
  • DOI: 10.26008/1912/bco-dmo.3675.1
  • Language: en_US

Dates

  • accessioned: August 21, 2020
  • available: August 21, 2020
  • created: November 12, 2015
  • Publication date: August 21, 2020
  • coverage: Note: 20081206 - 20081215 (UTC)

Notes

Dataset: Porewater Geochemistry

Rights

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Funding Information

AwardnumberAwarduriFunderidentifierFunderidentifiertypeFundername
NSF Division of Ocean Sciences (NSF OCE) OCE-0647633, NSF Division of Ocean Sciences (NSF OCE) OCE-1357238

Format

electronic resource

Locations

KindValueGeopoint
Guaymas Basin hydrothermal vents, Southern Spreading segment, 27° 00.44N and 111° 24.55W; 2000 m water depth
Guaymas Basin, Gulf of California, 27.00 N, 111.00W
westlimit: -111.4093; southlimit: 27.0065; eastlimit: -111.408; northlimit: 27.0077

Relateditems

DescriptionItem typeRelationshipUri
Not specifiedhttp://lod.bco-dmo.org/id/dataset/3675
Not specifiedhttps://doi.org/10.26008/1912/bco-dmo.3675.1